North America Native Plant

Northern Green Orchid

Botanical name: Platanthera hyperborea

USDA symbol: PLHY2

Life cycle: perennial

Habit: forb

Native status: Native to Alaska âš˜ Native to Greenland  

Synonyms: Limnorchis hyperborea (L.) Rydb. (LIHY)  âš˜  Platanthera hyperborea (L.) Lindl. var. hyperborea (PLHYH2)  âš˜  Platanthera hyperborea (L.) Lindl. var. minor Lange (PLHYM2)   

Northern Green Orchid: A Challenging but Rewarding Arctic Native If you’re drawn to the mysterious world of native orchids and love a good gardening challenge, the northern green orchid (Platanthera hyperborea) might just capture your imagination. This delicate perennial orchid is one of nature’s hardy survivors, thriving in some of ...

Northern Green Orchid: A Challenging but Rewarding Arctic Native

If you’re drawn to the mysterious world of native orchids and love a good gardening challenge, the northern green orchid (Platanthera hyperborea) might just capture your imagination. This delicate perennial orchid is one of nature’s hardy survivors, thriving in some of the coldest regions on Earth. But before you get too excited about adding this beauty to your garden, let’s dive into what makes this plant both fascinating and frustrating for home gardeners.

What Is the Northern Green Orchid?

The northern green orchid is a perennial forb—essentially a non-woody flowering plant that comes back year after year. Don’t expect towering woody stems here; this orchid keeps things low-key with soft, herbaceous growth that dies back to underground parts each winter. It’s also known by several scientific synonyms, including Limnorchis hyperborea, though Platanthera hyperborea is the name you’ll most commonly encounter.

Where Does It Call Home?

This orchid is a true northern native, naturally occurring in Alaska and extending its range across Greenland and other circumpolar regions. In the United States, you’ll find it thriving in Alaska’s unique climate, where it has adapted to some pretty extreme conditions that would make most garden plants throw in the towel.

The Good, The Bad, and The Beautiful

Let’s be honest—the northern green orchid isn’t going to win any showiest flower contests. Its blooms are small, greenish-white, and arranged in dense spikes that are more subtle than spectacular. The aesthetic appeal lies in its delicate, understated beauty and the simple fact that you’re growing a genuine arctic orchid. There’s something pretty magical about that!

The flowers attract specialized pollinators, including small moths and nocturnal insects, making this orchid an important player in northern ecosystems. While we don’t have complete data on all its wildlife benefits, native orchids typically support various insects and contribute to biodiversity.

Should You Grow It?

Here’s where we need to have a heart-to-heart. While the northern green orchid is undeniably cool and completely native (which gets major points in our book), it’s also incredibly challenging to grow successfully. This isn’t your typical plant it and forget it perennial.

This orchid requires:

  • Consistently cool, moist to wet soil conditions
  • Acidic soil that mimics its natural bog habitat
  • Specific mycorrhizal fungal relationships that are nearly impossible to replicate
  • USDA hardiness zones 1-6 (so if you’re in warmer climates, this is definitely not for you)

Best Garden Settings

If you’re determined to try growing this arctic beauty, your best bet is in:

  • Specialized bog gardens with consistent moisture
  • Naturalistic wetland gardens
  • Native plant collections focused on rare or unusual species
  • Cool, northern gardens with naturally acidic, wet soils

Growing Tips (Proceed with Caution!)

We’ll level with you—most experts recommend appreciating this orchid in its natural habitat rather than attempting cultivation. The complex soil fungus relationships this plant needs are extremely difficult to establish in home gardens. If you’re absolutely determined to try:

  • Source plants only from reputable native plant nurseries (never wild-collect)
  • Ensure your soil stays consistently moist but not waterlogged
  • Provide partial shade to full sun
  • Maintain acidic soil conditions
  • Be prepared for potential failure—even experts struggle with this one

The Bottom Line

The northern green orchid is a remarkable native plant that deserves our admiration and protection. While it’s incredibly challenging to grow successfully, it represents an important part of our northern ecosystems. If you’re in its native range and want to support native biodiversity, consider creating habitat that might naturally attract this species rather than trying to force it into a traditional garden setting.

For most gardeners, we’d recommend appreciating this beauty on nature walks and focusing on easier native orchids for your garden. But if you’re up for the ultimate orchid challenge and live in the right climate zone, go for it—just make sure you source your plants responsibly and prepare for a learning experience!

Northern Green Orchid

Classification

Group

Monocot

Kingdom

Plantae - Plants

Subkingdom

Tracheobionta - Vascular plants

Superdivision

Spermatophyta - Seed plants

Division

Magnoliophyta - Flowering plants

Subdivision
Class

Liliopsida - Monocotyledons

Subclass

Liliidae

Order

Orchidales

Family

Orchidaceae Juss. - Orchid family

Genus

Platanthera Rich. - fringed orchid

Species

Platanthera hyperborea (L.) Lindl. - northern green orchid

Plant data source: USDA, NRCS 2025. The PLANTS Database. https://plants.usda.gov,. 2/25/2025. National Plant Data Team, Greensboro, NC USA